Base | Representation |
---|---|
bin | 101011111100… |
… | …1101101110001 |
3 | 1121100200221211 |
4 | 1113321231301 |
5 | 21344333204 |
6 | 2141520121 |
7 | 366601360 |
oct | 127715561 |
9 | 47320854 |
10 | 23042929 |
11 | 12009548 |
12 | 7873041 |
13 | 4a0a490 |
14 | 30bb7d7 |
15 | 2052804 |
hex | 15f9b71 |
23042929 has 16 divisors (see below), whose sum is σ = 28537600. Its totient is φ = 18118080.
The previous prime is 23042917. The next prime is 23042947. The reversal of 23042929 is 92924032.
It is a cyclic number.
It is not a de Polignac number, because 23042929 - 29 = 23042417 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 23042929.
It is not an unprimeable number, because it can be changed into a prime (23042909) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15772 + ... + 17170.
It is an arithmetic number, because the mean of its divisors is an integer number (1783600).
Almost surely, 223042929 is an apocalyptic number.
It is an amenable number.
23042929 is a deficient number, since it is larger than the sum of its proper divisors (5494671).
23042929 is a wasteful number, since it uses less digits than its factorization.
23042929 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1600.
The product of its (nonzero) digits is 7776, while the sum is 31.
The square root of 23042929 is about 4800.3050944706. The cubic root of 23042929 is about 284.5635218812.
The spelling of 23042929 in words is "twenty-three million, forty-two thousand, nine hundred twenty-nine".
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